National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Fair

62°F

17°C

Humidity 70%
Wind Speed SW 15 mph
Barometer 30.21 in (1023.0 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 3 Oct 5:56 pm EDT
Extended Forecast for

South Dennis MA

  • Tonight

    Tonight: Mostly clear, with a low around 54. West wind 7 to 11 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 72. Southwest wind around 6 mph.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. Light southwest wind.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 73. Calm wind becoming south 5 to 7 mph in the morning.

    High: 73 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58. South wind around 5 mph.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77. Southwest wind 6 to 11 mph.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. Southwest wind around 8 mph.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. Southwest wind 9 to 14 mph, with gusts as high as 25 mph.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 1am. Mostly cloudy, with a low around 59. Southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    Low: 59 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 54. West wind 7 to 11 mph.
Saturday
Sunny, with a high near 72. Southwest wind around 6 mph.
Saturday Night
Mostly clear, with a low around 57. Light southwest wind.
Sunday
Sunny, with a high near 73. Calm wind becoming south 5 to 7 mph in the morning.
Sunday Night
Mostly clear, with a low around 58. South wind around 5 mph.
Monday
Sunny, with a high near 77. Southwest wind 6 to 11 mph.
Monday Night
Mostly clear, with a low around 59. Southwest wind around 8 mph.
Tuesday
Sunny, with a high near 75. Southwest wind 9 to 14 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of showers after 1am. Mostly cloudy, with a low around 59. Southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Wednesday
Showers. High near 72. West wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 49. North wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 62. North wind around 14 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 48. Northeast wind around 7 mph.
Friday
Mostly sunny, with a high near 65. Northeast wind 6 to 9 mph becoming southeast in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Dennis MA
 41.69°N 70.16°W (Elev. 7 ft)
Last Update:
6:10 pm EDT Oct 3, 2025
Forecast Valid:
6pm EDT Oct 3, 2025-6pm EDT Oct 10, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation